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potential new clues in the boston marathon bombings this morning, including our very first look at the mangled remains of an explosive device rigged to inflict maximum damage here. 29-year-old krystle campbell died right near the marathon finish line. her mother simply heart broken. >> she was a wonderful person. everybody that knew her loved he her. >> the family was initially told that krystle had survived. and the sweet signature tune for the boston red sox at fenway park turns up of all places at yankee stadium on the playlist last night, and i know everybody was rooting for boston. >> what a tribute. >> goosebumps watching that.

good wednesday morning. welcome to a special edition of "early start." i'm brooke baldwin. >> i'm john bermen. we are live in boston. it's 5:00 a.m. in the east. new developments in the boston marathon bombings to tell you about this morning. investigators tracking down some 2,000 leads. 2,000. examining chilling new photos. these photos just released overnight showing the remains of one of the detonated devices. they show wires, they show a battery and bits of what appears to be a circuit board. reuters says a government official who did not want to be identified shared these photos overnight along with images of a mangled pressure cooker. in one photo you can see what appears to be a cluster of bbs. doctors were saying they were finding bbs and nails in the legs of patients. the fbi saying a second bomb was

in some type of metal container. >> we will talk about those pick chores and the investigation. boston area hospitals have released many of those 183 people injured in monday's attack. at least 100 of them now are out. >> that's good news. >> great news. we are also learning more about the third person who was killed. a chinese graduate student who was studying here at boston university. of course we are respecting her family's wishes not releasing her name at this point. >> just shows you this is an international tragedy. >> all around the world. and back to those 2,000 tips coming in globally. we have every new development in the boston marathon investigation here covered for you this morning. multiple reporters out and about. pamela brown with the city's response to the terror attacks. senior medical correspondent elizabeth cohen live this morning at brigham women's hospital. but we want to begin with susan candiotti tracking the latest on

this fbi probe. new pictures this morning of this badly damaged pressure cooker here. what can you tell us? >> good morning, brooke. you know, these bits and pieces are so crucial to investigators because not only will they take them to try to piece these explosive devices, homemade devices back together again through working on them at the fbi lab in quantico, virginia, they're doing that now, but they'll also try to trace back each and every component, possibly to where these things were bought so they can try to figure out who did this. crime scene photos show part of what could be a pressure cooker used in the bombings. others show charred wire attached to a battery. what appears to be a small circuit board. a half-inch nail, a bloodstained zipper pull tab. another shows what looks like massive ball bearings bbs.

investigators are coming through hundreds of photos from the scene, including this one where a light-colored bag sits next to a mailbook. the before and after images capture it's proximity to one of the two blast locations. authorities are scrutinizing every lead. the fbi needs help, after all someone knows who did it. >> the person who did this is someone's friend, neighbor, co-worker or relative. >> reporter: crime scene technicians found gunpowder residue. analysts say when the gunpowder was ignited inside the metal container, pressure built up which caused the container to explode. >> in a crowd like this, since it was packed tight with people, those people took the brunt of the explosion and the projectiles. >> reporter: a pressure cooker was part of a homemade bomb that fizzled inside a van in 2010. in boston, authorities are

convinced they'll solve the case, but as of now, they have no clue who is behind it. >> at this time there are no claims of responsibility. the range of suspects and motives remains wide open. >> that's why despite all the fbi's expertise, and they're working hard to solve this terrorist case, they still desperately need the public's help to try to figure out who was behind this terrorist attack. brooke? >> susan candiotti, thank you. they're looking for the public's help, but also the insignia, the pieces that says 6l on this container, which stands for 6 liter, figuring out who makes this brand and where it could have been bought. coming up, we will talk to robert mcfadden about the security issues here surrounding this particular sort of device. he's a senior official with the

ncis, the naval criminal investigative service. >> many developments to tell you about. this morning we're learning more about those who lost their lives in this tragic event. 2,000 people turned out last night for a candlelight vigil paying tribute to one of the youngest victims. pamela brown is here with that part of the story. good morning. >> reporter: good morning. an outpouring of support for the family of martin richard last night. one of the many ways boston is coming together to show their respect and honor the victims of monday's tragedy as the city tries to pick up the pieces. >> reporter: an outpouring of raw emotion from a community struck by grief. friends and family of 8-year-old martin richard gathered in a park near his home to remember him and pray for his family. his 6-year-old sister lost a leg, his mother has a serious brain injury. on tuesday, friends and relatives dropped off flowers at the family's house in the dorchester section of boston.

martin's unforgettable smile has become the face of monday's senseless attack. his picture celebrating his first communion and another with the sign that reads "no more pu hurting people" now emblazoned on the minds of millions. one of the first responders, dr. kim mills tried to revive him. >> what she told me is she handed it off to the emts. she pronounced him and said he's dead. somebody said we need to start cpr. she said i don't think it will help. >> reporter: now he says his wife is grappling with the reality of seeing these pictures of martin. >> you could see she got quiet, you could see the tears welling up, the emotion coming back from yesterday. >> reporter: the second fatality is krystle campbell, a 29-year-old from medford, massachusetts, a suburb to the north of boston. krystle was standing along boylston street when the explosions went off. >> what kind of daughter was

she? >> she was the best. couldn't ask for better. >> reporter: krystle would have turned 30 on may 3rd. the third victim is a chinese national and graduate student of boston university studying statistics. the injured continue to recover and tell their stories. anderson cooper spoke exclusively with ron broussard. >> were you knocked to the ground? >> i wasn't knocked to the ground. i knew i was i hit with something because the pain that shot through my leg was incredible. >> reporter: across the country tributes to remember those who were lost. with the red sox playing away in cleveland, the indians held a moment of violence for the bombing victims. and the new york yankees put their rivalry aside tuesday night to pay their respects, posting this message on the yankee stadium marquee, united we stand. and playing the boston favorite "sweet caroline" in the bronx.

♪ sweet caroline ♪ good times never seemed so good ♪ ♪ back on the streets of boston, an eerie quiet on normally busy streets. for megan keeler returning to this seen after witnessing the explosion brought back overwhelming emotion. >> i think it's just hurting me now, to be honest. >> reporter: what does it feel like? >> i feel really badly for everybody. i'm proud of this city. but it's -- people are waking up today, and their lives are very different. >> certainly an emotional time for a lot of people in this city. also hundreds gathered last night on the boston common for another vigil, such an outpouring of support. >> i know some of the offices behind us and the crime scene will be closed, but will the city mostly be back up and running? >> i think that's the hope.

most want to move forward an bounce back. yesterday a lot of the stores were closed. it will be interesting to see if that will happen. >> later, krystle campbell's grandmother will speak with chris cuomo. >> we'll have that interview for you, at least some good news in terms of those injured. 183 people were injured in the marathon terror right here. they have now been released, many of them, from hospitals around the city. our senior medical correspondent elizabeth cohen joins us live with more on that. elizabeth, good morning. what is the update? >> reporter: good morning. the update is that some of these pains now are well enough to tell the stories of what they went through. i'd like to introduce you to nicholas and lee ann yanni. they were ten feet away from the explosion, they managed to get to a nearby store, and nicholas

noticed his wife's calf was gushing blood. his wife had the presence of mind to say get the shirts off the rack and make a tourniquet for my leg. he then went outside and saw a woman who was seemingly unconscious. he was told to get away from the scene because he went very injured, he looked up and saw his wife getting into an ambulance, he said i have to be with my wife. after the surgery this is what he said. >> it was like home. you felt safe, because you know the people you love are there with you. you know they're okay. >> reporter: nicholas said throughout this ordeal, his wife had a shattered bone. his wife was as cool as a cucumber. his wife was at tuft's medical center, that's one of 11 hospitals where the injured have been treated here. >> one of the 11 amazing

hospitals where they're doing amazing work still this morning. thank you very much for that report. stay with cnn for continuing coverage of that boston marathon terror attack, including more on the chilling new photos we got overnight of the explosive devices that caused so much pain, so much suffering. we'll have the latest on the search for whoever planted them. also ahead, a farewell to the iron lady. funeral services underway for former british prime minister margaret thatcher. we will take you live to london straight ahead. [ jen garner ] what skincare brand is so effective... so trusted... so clinically proven dermatologists recommend it twice as much as any other brand? neutrogena®. recommended by dermatologists 2 times more than any other brand. now that's beautiful. neutrogena®. ♪

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devices. you see as we go through these wires, a battery and a piece of what looks to be a circuit board. reuters is reporting a government official who did not want to be identified turned over these photos. >> and there's more. these images of the twisted remains of a pressure cooker that investigators believe held the bomb. in another photo you can see what appears to be a cluster of bbs, likely fused together by the heat of the explosion. doctors saying they were finding bbs and nails in the people they were treating. there is a lot of news going on elsewhere in the world, including live breaking news right now. let's go to zoraida sambolin nor that. funeral services for margaret thatcher are just getting underway. starting with a procession through the streets of london. the former prime minister will then be given a ceremonial

funeral with full military honors at st. paul's cathedral. more than 4,000 police officers are on patrol at this hour. cnn's becky anderson is live in london. i understand there are about 2, 2,300 guests from around the world that are expected? >> that's right. the queen and her husband will arrive at about 10:45 local time, just about a half hour from now. the pictures you are seeing at present are of the coffin of lady thatcher and the flowers on top are, we assume, from her children, carolyn, mark and the message on those flowers says simply beloved mother, all in our hearts. the coffin is currently at the church up from the palace of westminster. moments from now, the coffin will be drawn, and a gwill be

carried from this church to st. paul's cathedral. there will be 2,000 dignitaries from around the world. we have seen henry kissinger, dick cheney and his wife, newt gingrich, former politicians from all over the world, howard here on behalf of australia. 2,000 people inside st. paul's cathedral to honor margaret thatcher. and that, the gun carriage, getting put into place, which will draw the coffin, margaret thatcher's coffin here to st. paul's cathedral, with the royal navy, army and royal air force lining the route. back to you. >> becky anderson, live for us in london. straight ahead, cnn's continuing coverage of the boston marathon terror attack, including chilling new photos of the bombings used before and

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enough to kill a human being. robert wicker is a republican from minnesota. shannon travis is with us this morning. we know where the letter might have been mailed from. has we're trying to figure out is who mailed that letter, right? >> absolutely. in both those questions, federal officials will be investigating. we know essentially where it was from. it was post marked at least memphis, tennessee. but there's no return address. that's the information that we are getting from the senate sergeant at arms, terence gainer, an e-mail to senators and aides. expert also perform more tests today to determine if without a doubt the substance on the letter was ricin. we know a maryland laboratory confirmed the presence of ricin, but the fbi says field tests can be unreliable and only a full analysis at an accredited laboratory can determine if the poison was present.

those tests usually take 24 to 48 hours. those tests will happen at an army research lab in maryland. the boston marathon bombing was on monday. this potentially poison letter to senator wicker was on tuesday. it's reasonable to wonder are they somehow linked? the chairman of the house homeland security committee at this point said no. >> it did test positive for ricin. we have no evidence whatsoever connecting the two between the ricin incident and the boston bombing incident. since 9/11, since the anthrax scare, we have an off-site mail facility and it worked in this case where it was caught in advance, screened, prevented from getting to capitol hill and the offices. >> reporter: one source tells cnn that senator wicker has been assigned security in light of all this. >> i suspect that's a good idea.

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we're getting our first look right now at pictures of a partially exploded device. this could provide new clues for investigators in the boston marathon bombings. >> we'll talk about that this morning. also prayers. prayers for the family of this 8-year-old boy killed in the marathon terror attack. his mother and his younger sister suffering serious injuries. some 2,000 people turning out last night for a candlelight vigil. and united we all stand. new york and boston, from a moment of silence to a moment of song. yankee fans reach across the rivalry to honor the marathon victims and the city of boston. such a lovely tribute. welcome back to this special

edition of "early start." i'm john berman. >> i'm brooke baldwin, here we are live in boston yards from where those two explosions happened. we begin with that investigation and what we know and some of these new pictures. new developments this morning as investigators are now hoping that these just-released pictures of this explosive device will lead to a crucial break or possibly an arrest here. these are the photos. they're just released showing the remains of one of the detonated devices. as you look at them, clearly they're badly mangled from the explosion, you can see wires, a battery, bits of what appears to be a circuit board. reuters is reporting that a government official who did not want to be identified shared the photos along with images of a mangled pressure cooker, the kind you could have in your own

kitchen. in one of those photos you can see a cluster of these teeny tiny but dangerous bbs that were clearly blown out from this pressure cooker, and, you know, made their way inside the skin and muscle of a lot of victims along the finish line in boston on monday. the fbi saying that the second bomb was also in some type of metal container as well. >> also new this morning, boston area hospitals have released at least 100 of the 183 people injured in monday's attack. that's wonderful news. >> we are also learning more this morning about the third person killed. a chinese graduate student who was studying at boston university, one of the wonderful colleges around her. we are respecting her family's wishes and not releasing her name at this time, but this shows you the international scope of this tragedy. we want to get the latest on the investigation going on all night. we are joined by national correspondent susan candiotti right here in boston.

good morning. what are you learning this morning? >> good morning, john and brooke. because we're able to see these photographs, we are seeing what fbi analysts and bomb technicians have been gathering as they cross the over a very huge blast field. some of this debris landing on rooftops. now we get a close-up look at some of the shrapnel and scraps of metal that made up these mome homemade bombs. authorities believe one of them was constructed from a pressure cooker that you could cook in. the other may have been the same thing. we are seeing the twisted pieces of metal and also the container in which they were. they put these into either a nylon backpack or some kind of bag. they have a photograph of that, too. this is what they found, part of the aftermath. as well we are seeing down to the detail of the manufacturer's

serial numbers, and this will help as agents try to reconstruct this bomb at their lab in quantico, virginia and trace each and every item to try and track who purchased these things, where, and when. authorities really need the public's help to try to solve this. >> we are asking anyone who may have heard someone speak about the marathon in any way that indicated he or she may target the event to call us. someone knows who did this. >> so even though they have more than 2,000 tips so far, they still don't have a clue as to who is behind this terrible terrorist attack. brooke and john? >> all right, susan candiotti here in boston, thanks again. the detail in those photos so specific. >> so specific, the details of the pressure cooker, they're

trying to figure out who made the pressure cooker and then who could have done this. let's talk about this with robert mcfadden, senior vice president of a security firm and a former ncis official. thanks for joining us this morning. we're all looking at these pictures for the first time this morning of this mangled metal, the bbs, the nails. you say this device appears simple. why? >> good morning. well, the way to build the component like this, to build an improvised explosive device such as this the information is readily available in sources, books and the internet of course. i think instead of crude that simple is the best adjective to apply here. it's easy to put together. easy to practice detonating a device like this on the lead up to actually placing it where the terrorists would.

and quite deadly effective. >> one of the things we have been talking about in the last day and a half in this investigation is how law enfo e enforcement officials will be looking for a bomb-making signature. some sign that shows where the bomb was put together and where they received their instructions. as you're looking at these pictures, are these the types of things that give you a sense of these signatures? >> quite reminiscent of some major cases i worked on while with ncis. using a device like this, almost always there are components left behind. the crime scene processing and technicians making the initial assessment and even chemical tests are being matched up at the national center, tdac at quantico, virginia. it will be confirmed whether the device flagrated or detonated

which would indicate a higher explosive. all of these things produce leads for investigators to run down. >> john and i were talking during the commercial break going back to the olympic park bombings in 1996, the process investigators went through finding the nails that shot out of the bomb, tracing the nails back to the manufacturer and finding eric rudolph in this case, can you walk us through the process that these investigators will be going through in terms of looking closely at these little bb-like metal objects and the pressure cooker itself? >> tremendous amount of material would be found and is still being recovered, i'm sures at the crime scene in boston. those items will go to the national center at the lab in quantico. and the attempt now is to match up anything recently or even longer history of devices of

similar components and competition. also, too, some of the items left behind such as bbs or small nails or other components that would have been inside the pressurized device, represents the secondary fragmentation element, that may match up with other components or other ieds in the past that would ten to indicate that -- that a group or individuals behind this. however -- however there's such a broad spectrum of different individuals and groups that use this kind of simple device, that could be quite some time for detective work in that regard. >> what a tedious but necessary process to try to figure out who did this and then the next, you know, question why. robert mcfadden with us, thank you very much. >> thank you. >> so interesting, those pictures so revealing and brand new to us this morning. president obama, we learned, will travel to boston tomorrow.

he will attend an interfaith service for the victims of the bombings and their families. for more on the president's plans and his visit to massachusetts, let's go to white house and our white house correspondent brianna keilar. good morning. >> reporter: president obama, we learned yesterday, will travel to boston tomorrow for this interfaith memorial service dedicated to those who were injured or killed in the boston bombings. this will be at the cathedral of the holy cross in boston. president obama, no doubt, preparing for what will be an emotional event. he will be striking a tone as consoler and chief, something we have seen at the white house. we heard him yesterday talking about the people who ran the marathon in boston, after the bombings still went to hospitals to give blood. he will talk about this tragedy and also talk about how this sort of has brought out the best

of some of the folks in boston. he is also the commander in chief, that means the investigation of the boston bombings stops with him. he addressed that yesterday. as he also called this for the first time terrorism. >> this was a heinous and cowardly act. and given what we now know about what took place, the fbi is investigating it as an act of terrorism. any time bombs are used to target innocent civilians, it is an act of terror. what we don't yet know, however, is who carried out this attack or why. whether it was planned and execute ed by a terrorist organization, foreign or domestic, or the act of a monovalent individual. >> calling it an act of terror was something we did not hear from president obama on monday just a few hours after the events in boston. so the white house wanting to make sure president obama, even though his aides had been on the

record saying it had been terrorism, the white house wanting to make sure that the president is on the record with that and responding appropriately. a lesson they have learned during past attacks, most recently in bengahzi when president obama was criticized for sort of having a muted message about whether this was terrorism or not. john and brooke? >> his message quite clear right now. brianna keilar at the white house, thank you very much. >> just to underscore one of the points she made that the people ran 26.2 miles some of them and kept going. >> one man crossed the finish line and then walked back to treat some of the victims on the ground. >> in terms of the investigation, the fbi leading that investigation. they're appealing to the public for help to solve the boston marathon bombing. the agent in charge of the investigation saying someone knows, someone out there knows who did this. who committed this crime.

and there is now a $50,000 reward put out by police and fire unions here in boston. and later this morning, we want you to stick around. in the 8:00 hour of "starting point" we will talk about that reward with the president of the boston firefighters union. >> rivalry interrupted. this happened at yankees stadium last night. the yankees offered a moment of silent prayer for boston, specifically those killed and wounded in the marathon tragedy. then from the moment of silence to a moment of song. the yankees played "sweet caroline" a signature tune up here at fenway park for red sox games. they play it in the bottom of the eighth, have done it for years. those yankee fans normally no love for the red sox, the yankees fans sang along. this touched the man who wrote the song, neil diamond. he thanked the yankees in a tweet saying you scored a home run in my heart. it scored a home run in all of our hearts.

>> a lot of goosebumps and teary eyes in that stadium, in the bronx and around the country. coming up next on "early start," new details this morning about the victims of the boston marathon bombings. and we're also learning a bit more about how those deadly explosives were made. >> and the funeral thatcher is now underway in london. we'll take you there live. stay with us. [ jen garner ] what skincare brand is so effective... so trusted... so clinically proven dermatologists recommend it twice as much as any other brand? neutrogena®. recommended by dermatologists 2 times more than any other brand. now that's beautiful. neutrogena®. ♪ neutrogena®.

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for thosnights wh it's more than a bad dream, be ready. for the times you need to double-check the temperature on the thermometer, be ready. for high fever, nothing works faster or lasts longer. be ready with children's motrin. welcome back to "early start." these are live pictures you're looking at there. queen elizabeth arriving for the funeral services for former british pri minisr margaret thatcher that is getting underway soon. the queen, as you see, arriving right now, greeting people along the way. c north korea n's becky ann's y

live. queen elizabeth, this is the first time she attended the funeral of a prime minister since winston churchill. is that right? >> that's correct. this is a ceremonial funeral. lady thatcher won't lie in state, it's about as big as it gets. there are 2,000 attendees now at st. paul's cathedral. they will all be standing as the queen and prince phillip, the duke of edinboro walk into st. paul's. it's quite a remarkable thing. it's something margaret thatcher asked for. perhaps many of the british public surprised that the queen accepted this invitation. there are no other members of the royal family in attendance. there are 2,000 of the great and the good of the era of margaret thatcher. former prime ministers, presidents from around the

world. her entire cabinet, as it was back in the 1980s. former presidents and prime ministers of britain, tony blair is there, gordon brown is there. john major who followed margaret thatcher in 1990. these the pictures of her coffin being drawn by the carriage of the kings troop royal horse artillery. they are moving towards st. paul's cathedral. the bearer party walking alongside the carriage. as that funeral procession makes its way towards st. paul's cathedral, as they approach st. paul's cathedral, you will see positioned on the west steps, a step-lining party made up of 18 tri service personnel, and men you will recognize if you have been to london in their red

finery. so the queen now making her way down to the front of st. paul's cathedral. and in a few moments, at 11:00 london time, this funeral for baroness thatcher will begin. >> becky anderson live for us, really appreciate it. we'll continue to check back in with you. it is 49 minutes past the hour. early tests show a letter sent to a republican senator from mississippi did contain a lethal biological agent, but more tests will be done today to confirm that it was ricin. the letter was addressed to senator roger wicker but intercepted before it reached his office. authorities say it had a memphis postmark but they do not know who sent it. senators begin voting this afternoon on amendments to a gun control bill mach. majority leader harry reid says an expanded deal on background checks will be among the first

votes. a debate could last for two weeks, perhaps even more time. happening right now, looking at an increasing threat of tornadoes today. let's check in with jennifer delgado live at the cnn weather center in atlanta w. who is in the danger zone? >> anywhere in the red graphic, so joplin, stulsa. the threat for hail will last all day long. we're already looking at storms moving through areas, from colorado over to parts of west virginia as well as into tennessee. today the fuel will be the clash of the two air masses. the warm, moist air from the south, the cold air from the north. that's the region we're talking about, across oklahoma, texas, as well as into parts of missouri and kansas. this will be the area for the strongest storms.

this is the area for the moderate risk, what you are seeing in yellow, a slight risk. this gives you an idea of what the problems will be. look at the temperature gradient there. 62 for a high in kansas city. 36 in denver. 80s to the south. that will be the fuel for these strong storms. everybody needs to be cautious. >> thank you for that. still ahead, we'll go back to boston. brand new pictures released your night giving us a different look at the aftermath of the marathon bombing. and her financial advir made a retirement plan, they considered all her assets, even those held elsewhere, giving her the confidence to pursue all her goals. when you want a financial advisor who sees the whole picture, turn to us. wells fargo advisors. in-wash scent boosters, here with my favorite new intern, jimmy. mmm! fresh! and it's been in the closet for 12 weeks! unbelievable! unstopables! follow jimmy on youtube. unstopables! i don'without goingcisions to angie's list first.

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welcome back to this special edition of "early start." you know, in addition to the new bomb device photos we've been showing you all morning, we are also getting a first look at some high definition images from the carnage at the marathon finish line. these are brand new pictures.

>> we know law enforcement will be going through them frame by frame by frame looking at these people. clearly you can see the smoke, mass confusion and terror that rained immediately after those deadly explosions at that finish line there. you can see the streets. let's just say still what are we two days la s later, still litt with debris. this is the picture of terror. this is the cover of "time" magazi magazine's special edition of the tragedy. this is a little boy after one of the blasts on monday. this is a tablet only edition on the tragedy that hit in boston. it's free. it will be available tomorrow. i know as a dad with two little boys, it's -- for any of us really, it's just tough to look at. >> what an image.

among those injured here are kids as young as two, three years old. martin richard, the victim, just 8 years old. >> you shake your head. there are no words. no words. coming up next hour, bostonian coming together, really the whole world coming together. last night thousands turning out for a candlelight vigil to remember that 8-year-old boy, martin richard. also new photos this morning of the bombs, the mangle the metal here that caused so much pain, so much suffering, the latest on the investigation at the top of the hour. stay right here. [ male announce] you are a business pro. omnipotent of opportunity. you know how to mix business... with business. and you...rent from national. because only national lets you choose any car in the aisle. and go. you can even take a full-size or above.

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good morning, we're getting our first look at the manled remains of a device that literally blew up the boston marathon. images we hope that could help investigators determine who is behind the deadly terror attack. >> and then too soon. a mother simply heartbroken over the loss of her daughter. >> she was a wonderful person. everybody that knew her loved her. >> patty campbell was originally told by the hospital that her daughter krystle had survived the bombing. >> a terrible twist in that story we will tell you. also people come together for a night of healing. candlelight vigil for one of the

youngest victims of the marathon attack. in new york, the intense centuries old baseball rivalry between boston and new york playing out on our set this morning. set aside. a moment of silence, solidarity, song. >> that tribute put a lump in so many boston fan's throats all across red sox nation. >> i'll tell you what, one of the beautiful things in sports, right, boston and new york? something like this obviously transcends. and you saw it there from people. they wanted to be together. they didn't want to just be sad. they weren't there to just mourn together, they were to move on together. and it was a beautiful way to do it. good morning, everybody, chris como, john berman. welcome to a special edition of "early start" part of cnn's continuing coverage here. >> 6:00 a.m. in the east. >> all right. investigators are tracking down some 2,000 leads this morning. this investigation going on right behind us. we're just a block away from the

crime scene right here. they're also poring over chilling photos. these photos just released overnight. over the remnants of one of the detonated devices. these pictures show wires, they show a battery, they show bits of what appears to be a circuit board. these photos coming from the news agency reuters. they say they came from a government official who did not want to be identified but he turned over the photos, along with images of that mangled pressure cooker. now in one photo you can see what appears to be a cluster of bbs. in the photo they're likely melted together by the heat of the blast. but we heard from doctors yesterday saying they were seeing bbs and nails in the victims they were treating. fbi officials also saying the second bomb was in some type of metal container. >> at home it may seem like this was random. it will be tough to pick apart. just the opposite. this type of device, style from the 1970s. known to be an easy way to teach bombmaking. known to be available on the net. the items, different kind of camera batteries, wires, will

actually all be clues. the agencies tell us that bombs tell a story. every bomb does. and one thing we know for sure here, they couldn't be working the scene harder. 2:30 this morning i was out walking around, that crime scene fully lit, 30 different government agencies in and out. white jumpsuits there taking everything they could find. taking pictures. so the effort here is really exceptional that's going on. at the same time as the investigation there's a separate struggle in the hospitals in the area. the good news, hospitals have released at least 100 of the 183 people injured in monday's attack. it is great. so many families finally being reunited, able to start moving forward with their lives. we also learned last night in addition to the 8-year-old boy who lost his life, and 29-year-old krystle campbell, a chinese graduate student who was studying at boston university, also her life lost here. we're going to respect the family's wishes, not releasing her name at this time. >> does show you the international scope of this tragedy.

a chinese student, like so many foreign students coming to study here at one of the great universities in this city. >> it wasn't just boston that was damaged in this attack. it will resonate and hopefully so will the response. again, this is cnn's special team coverage. we're going to begin with susan candiotti who is tracking the latest on the fbi probe. good morning, susan. what have we learned? >> good morning, chris. and you're right. you can see those fbi agents and other technicians working around the clock, just like you walked around this morning and saw them, as well. seeing these photographs, chris and john, gives all of us a better understanding of how a terrorist built a homemade bomb, taking simple items, including things that you could find around your house, like a pressure cooker, and the object was to kill and to maim. crime scene photos show part of what could be a pressure cooker used in the bombings. others show charred wire, attached to a battery. what appears to be a small circuit board. a half-inch nail.

and a blood-stained ziber pull tab. another shows what looks likeead as deadly schaap knell. investigators are also combing through hundreds of photos from the scene, including this one, where a light-colored bag sits next to a mailbox. the before and after images capture its proximity to one of the two blast locations. authorities are scrutinizing every lead. the fbi needs help. after all, someone knows who did it. >> the person who did this is someone's friend, neighbor, co-worker, or relative. >> reporter: crime scene technicians also found gun powder residue. gun powder ignited inside the metal container, building pressure, which caused the container to explode, and an explosive expert explains to pentagon correspondent chris lawrence. >> of course in a crowd like this, it was so tightly packed with people, those people took the brunt of the explosion, and all the projectiles. >> reporter: a pressure cooker

with part of a homemade bomb inside an suv that fizzles in times square in 2010, planted by admitted lone wolf terrorist faisal shaz add now in prison. in boston, authorities are convinced they'll solve the case. but as of now, have no clue whose behind it. >> at this time there are no claims of responsibility. the range of suspects and motives remains wide open. >> so even though there have been more than 2,000 tips so far. it's not enough. the fbi needs the public's help to try to solve this. chris and john, back to you. >> thank you, susan. that part of the investigation still moving forward. >> coming up in the next half hour of "early start" we're going to talk about the pictures, images the investigators are poring through. we're going to talk to tom fuentes, former fbi assistant director, now a cnn contributor.

in addition to the investigation this morning, there is still the remembering, and the mourning going around. all around this city, all around the country. for the three victims who died in the marathon bombing. thousands turned out for this candlelight vigil last night, paying tribute to one of the youngest casualties. cnn's pamela brown has been following that part of the story. she's here with us this morning. >> good morning to you. like you said, thousands turned out last night to remember the life of 8-year-old martin richard in a candlelight vigil. one of many ways communities throughout boston coming together to pay their respects as the city tries to pick up the pieces. an outpouring of raw emotion from a community struck by grief. friends and family of 8-year-old martin richard gathered in a park near his home to remember him and pray for his family. his 6-year-old sister lost a leg, and his mother has a serious brain injury. on tuesday friends and relatives dropped off flowers at the family's house in the dorchester

section of boston. martin's unforgettable smile has become the face of monday's senseless attack. his picture celebrating his first communion, and another with a sign that reads "no more hurting people" now emblazoned in the minds of millions. one of the first responders, dr. kim mills, tried to revive him. her husband matt describes the horror his wife ran toward after the blast. >> she did. she told me that she handed it off to the emts, she said hey, he's dead, and somebody said we need to start cpr. and she said, i don't think it's going to help. >> reporter: now he says his wife is grappling with the reality of seeing these pictures of martin. >> you could see she just got quiet and you could see the tears welling up and all the emotion coming back from yesterday. >> reporter: the second fatality is krystle campbell, a 29-year-old from medford, massachusetts, a suburb to the north of boston. krystle was standing along boylston street when the explosion went off. her mother, heartbroken. >> what kind of daughter was

she, ma'am? >> she was the best. you couldn't ask for a better -- >> reporter: krystle would have turned 30 on may 3rd. the third victim, a chinese national and graduate student of boston university studying statistics. the injured continue to recover and tell their stories. cnn's anderson cooper spoke exclusively to ron in his hospital room. >> were you knocked to the ground? >> i wasn'ted knocked to the ground. i absolutely knew that i was hit with something, because the pain that shot through my leg was -- was incredible. >> reporter: meanwhile, across the country, tributes to remember those lost, with the red sox playing away in cleveland, the indians held a moment of silence for the bombing victims. and the new york yankees put their rivalry aside tuesday night to pay their respects, posting this message on the yankee stadium marquee, united we stand. and playing the fenway park favorite "sweet caroline" in the

bronx. ♪ sweet caroline good times never seemed so good ♪ >> reporter: back on the streets of boston an eerie quiet on normally busy streets. for megan keilar, returning to the scene after memories of the explosion brought back overwhelming emotions. >> i think i just kind of -- to be honest. i feel sadly for everybody. but it's, you know, people are waking up today and their lives are very different. >> an outpouring of emotion throughout the city this morning. last night hundreds turned out in the boston common in a showing of solidarity. what we're seeing, these displays of pain, respect for the victims throughout the city. >> there's still so much going on in the city. right behind us is the crime scene. we just saw a gathering of police officers. i believe they're still right there getting ready to go out

and do their work today. this area behind us still shut down today. but the rest of the city probably back up and running. >> that is the hope. you know, i think that residents here want to get life moving forward. want to bounce back. and so we saw one of those stores close yesterday. today there's a good chance that we'll see some life coming back to the city. >> all right, pamela brown, thanks so much. >> it is good to move on. a big, strong, dynamic place. part of the connection here is that this city and all of us watching on this story feel connections to who was lost. so many of us have little boys like that. it could be your nephew. it could be your friend's kid. to see krystle campbell, 29 years old, her whole life in front of her. the connection between her and her family. this was a good kid. this was a good, young woman. everybody loved her. those resonate. and yesterday we got to meet someone who was so special in her life. grandma wilma. she did special things for her grandmother, they had a bond, and it really gave us a window

into who this person was, and what was lost when this bomb exploded. take a look and a listen at grandma wilma campbell. what do you think when you see this photo? >> beauty. >> what was she like in high school? >> smiling all the time. all the time she smiled. no matter what happened, she come out with a smile. i used to dress her up. i used to love to dress her up and put her hair in long curls, and lots of bows all in her hair. she loved it. she'd go out prancing, proud as anything, to school. and then, in school the teachers would say, oh, krystle, you look so beautiful. who did your hair? my nanna did my hair. >> you had a special bond. >> oh, gosh, yes. >> how did krystle make you feel? >> oh, full heart. my whole heart and soul.

she was it. and she made me feel that way. she made me happy. i used to look forward to her coming over to see me. >> and as she grew up she didn't change? >> no. >> she still came. >> she still came. and she still made me feel the same, happy. >> what kind of young woman did she become? >> smart, ambitious, and loving. she wanted -- she never complained what she wanted or talked about it that much. she just used to say, i'll just take one day at a time, nanna, see what happens. >> she just took life as it came? >> he loved life. >> lots of friends? >> oh. lots of friends. lots of friends. her disposition, her attitude,

and her stubbornness, she was so bubbly all the time, and laughing. >> when she got a little older, there was a time when you got a little sick. and she was there for you. >> yes. definitely. >> tell me about it. >> when i come home from the hospital, she come over one day, and she said, nanna, i think maybe i want to move in with you. so i says why? she said well i just figured that you should have somebody here with you to stay with you, make sure you're okay. i said you really want to do that, krystle? you have your whole life ahead of you. she says, well, i can -- i'll make it. i'll arrange it so that i'll be here with you. >> what did that mean to you? >> oh, everything. everything. it did me so well because i felt good, and i felt comfortable, and safe with her in the house with me. >> solidified her as number one, too, right?

that was it after that. everybody else was in a race for second. >> exactly. >> what do you think when you see her on the tv? >> huh? >> what do you think when you see her there? >> i wish i could go up and grab and kiss and hug her. i can still feel her. >> how do you make sense of this? >> i don't. i don't have -- any sense of it at all. i can't believe it's happened. i can't believe it. i won't even accept it. now and i'm sitting here with you. i'm having a hard time when i see her on the tv. it's killing me inside. >> it's not real? >> huh? >> you can't believe that something like this would happen? >> no. there's a lot of things on my mind. >> how are you going to remember krystle? how do you want to remember her? >> all my love will be there forever. in my heart, she's in my heart, always in all of them, that's my krystle.

and she'll always be my krystle. i love her. i love her so much. i love all of them. but she's my special one. >> grandma wilma says, it's hard. it's hard for her. but she wanted to feel because it's so important that these people who are hurt here and lost here don't become known for just how they died. even though it wrenches your heart, it's good to know that they had lives, that they had futures and hopes. >> a granddaughter who moved in with her grandmother to take care of her, checked on her every week. how do you make sense of it? listen to grandma wilma. you don't. you can't. >> she said you have to be strong and you have to keep going, because there are other people who need you and life needs you to be at your fullest. all right. so when we come back we're going to have continuing coverage of the boston marathon attacks. we're going to talk about the bomb and we're going to try and get the latest on who may have done this. but there's also other news this morning. >> there is other news.

live from london right now the funeral procession, the funeral proceedings for lady margaret thatcher, the late prime minister there, going on at this moment. we'll take you there live. >> you can rent a car without a reservation... and without a line. now that's a fast car. it's just another way you'll be traveling at the speed of hertz. over our secure network, verizon innovators are building a world of medical treatment data in the cloud. so doctors can make a more informed diagnosis from anywhere, in seconds rather than months. because the world's biggest challenges deserve even bigger solutions. powerful answers. verizon. just seem to fade away...?

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the question is how do you make sure you have the money you need to enjoy all of these years. ♪ welcome back to our live coverage here in the aftermath of the boston marathon bombings. we are just a block away from the crime scene itself.

you can see the picture right behind us right now. the boston police officers right there finishing up their morning briefing, obviously, going out to their beats, walking to protect the area. very much, very much still an active crime scene. i know you were out there 2:30 in the morning and they will still poring over the evidence all over the sidewalk, literally digging bbs and nails out of the sides of buildings. we have a lot of developments overnight in this investigation. new photos to show you. new information to tell you about. we will be here all morning with that news. but there is other news going on in the world right now. for a check on the other developing stories let's go back to christine romans in new york. good morning, christine. i'm sorry, we seem to be having audio -- what we're going to tell you about right now is what you're looking at right now. pictures for the funeral services of lady margaret thatcher, the baroness, former

prime minister of england. services under way at st. paul's cathedral. she's receiving full military honors there. and cnn's becky anderson is live in london for us with the coverage. good morning, becky. >> very good morning to you. the coffin brought on a horse-drawn carriage. the casket brought up to st. paul's cathedral about 15, 20 minutes ago. the queen and prince philip had already arrived. it was put under the nave of st. paul's cathedral. and then as the funeral began, 2,000 former presidents and prime ministers, her cabinet, henry kissinger is here, mr. and mrs. dick cheney are here. men and women from all over the world gathered to mourn baroness thatcher today. we've heard from her granddaughter, amanda thatcher, who is born and brought up in america. she read one of the -- one of

the readings today, right at the beginning, followed by david cameron, the current british prime minister. who said today, we are all thatcherites today. well, i'm not sure that everybody here in the uk would agree with that. she was a fairly divided character, as you know. the funeral now continues. it will go on for another 20, 25 minutes or so, and then the party here will move on to mansion house. john and chris. >> all right, our thanks to you becky anderson in london for us this morning. covering these funeral services, the pomp and pageantry going on at st. paul's cathedral. >> one type of memorial there. a very different one here in boston where we are live part of cnn's continuing coverage of the boston marathon attack. there is progress. even though it's just a couple of days since this happened. it is what's called a frantic investigation. 30 agencies on it. you are looking at pictures of what they believe to be a pressure cooker bomb.

still working on what was in the second bomb. we're going to take you through it, what's it mean, what kind of clues are in it. >> those pictures coming in overnight. and then this, a letter laced with poison sent to a sitting u.s. senator. we're going to have the latest on that investigation, too, when this special edition of "early start," from boston, continues. so free credit score's redesigned site has this new score planner tool with these cool sliders. this one lets us know what happens if we miss a payment. oh. this one lets us know what happens if we use less credit. yeah.

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welcome back to "starting point." more tests will be done today to confirm whether a letter sent to a u.s. senator was laced with ricin. a tiny drop of that poison is enough to kill a human. the letter was intercepted before it reached the capitol hill office of roger wicker. a republican from mississippi. cnn's shannon travis is in washington for us this morning. the big mystery, shannon, who sent this letter? >> that is the mystery. that's what investigators want to know. we have a clue, christine, about

where it might be from. the letter was postmarked memphis, tennessee, but there was no return address. that information from senate sergeant at arms terrance gainer in an e-mail to senators an aides. now as you mentioned, experts are going to be performing tests today to determine if, without a doubt, that substance on the letter was ricin. we know that a man in a laboratory obtained -- excuse me, confirmed the presence of ricin but the fbi is still testing the unreliable and only a full analysis at an accredited lab can truly determine if the poison was present. the fbi says those tests generally take between 24 to 48 hours. they'll have that at a research lab, an army research lab in maryland according to the u.s. capitol police. the boston marathon bombing was on monday. this potentially poisonous letter to the senator on tuesday. is it reasonable that they're linked? the chairman of the house homeland committee security

committee, whose name is mike mccall, he says no. >> all right. he said no. okay. thanks, shannon travis. we'll continue to follow that investigate. let's go back to chris cuomo and john berman in boston. hi, guys. >> thanks so much, christine. again we are on the streets of boston. right behind us is still this very active crime scene. investigators still poring over every inch of that. and it is still closed to the public. we are covering the latest breaks in this investigation this morning. >> the key, the pictures. the pictures of what they believe to be the bomb. we'll take you through them with an expert. what are the clues there? where will they lead? >> you're watching a special edition of "early start." [ female announcer ] life is full of little tests, but bounty basic can handle them. in this lab demo one select-a-size sheet of bounty basic is 50% stronger than one full sheet of the leading bargain brand. bring it. bounty basic.

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new photos from the scene of the boston marathon bombing. we're just getting a look at them this morning. they show the remains of an explosive device in what appears to be a circuit board. could this provide a valuable clue for investigators? thousands of people turn out for a candlelight vigil in the town of dorchester. remembering a bright, energetic, beautiful 8-year-old boy who died on marathon monday. and start spreading the news. new york and boston, standing side by side. red sox, yankees, a touching moment of silence and song at yankee stadium as yankee fans put the rivalry aside for a moment to honor the victims of

the boston marathon bombing. a lovely, lovely tribute. and i can tell you, it mattered. welcome back to this special edition of "early start," everyone. i'm john berman. >> and i'm chris cuomo. the picture behind us right now kind of tells the story. armored humvees. we know who they are, right? we know that we have the national guard here. they're providing support to some 30 agencies conducting what's called a frantic investigation. we're going to start this half hour with the new developments in the boston marathon attack. newly released photos showing the remains of one of the detonated devices. wires, batteries, what appears to be a circuit board that would have been used in a timing device to detonate it. reports from a government official who did not want to be identified, that's where the photos came, released them to make it clear that there is progress going along. the big image of the morning, a mangled pressure cooker. why did they use it? we'll take you through what it means. you'll also get a little look at

what was inside of that that caused so much damage. bbs, pellets, likely melted together by the heat of the explosion. the fbi now saying, john, the second bomb was also housed in some type of metal container. still too early to tell what that is. >> they can't piece that together just yet. also new this morning, boston area hospitals, they have released at least 100 of the 183 people injured in monday's attack. that is wonderful news. we hope that number only grows today. also learning more about the third person killed here. it was a chinese graduate student who was studying at boston university. now we're going to respect her family's wishes. they want to remain anonymous right now. we are not releasing her name at this time. again, from china, here studying. we have a young victim, an 8-year-old victim, a wonderful young woman, 29 years old, and we have a chinese exchange student, truly an international story here in boston. national correspondent susan candiotti has been tracking all the developments overnight. there are some new information in the investigation, and she joins us now here live in boston.

good morning, susan. >> good morning, john and chris. yes, we are seeing photographs that show leftovers. leftovers from probably two homemade bombs that authorities say were used by one person or more than one person to kill three people and to injure and maim more than 180 others. now we know that these are bomb parts. we can see what investigators have been picking up from a very wide blast field. picking these things up from the street. picking up and scraping up bomb residue, and then trying to bring these back to a lab in quantico, virginia, the fbi lab, and piece the homemade bomb back together again. and also look for key indicators, markings on these items, to find out, for example, where was this metal pressure cooker purchased. what about the black nylon back

pack or bag into which they put this metal container? a metal container that contains bits of -- that would be shrapnel, nails, ball bearings, this kind of thing. now authorities are saying even though they've had more than 2,000 tips, they are warning the public to give them more help. >> cooperation from the community will play a crucial role in this investigation. we ask that businesses review and preserve the video surveillance video and other business records in their original form. we are asking the public to remain alert. >> even, for example, if you remember hearing someone around you talking about a beef, for example, with people participating in the marathon, or having feelings against the government, or even experimenting with homemade bombs, they said that could be something we'd like to hear about. and, they add this, no one has yet claimed responsibility for

this. now that's not necessarily unusual at this stage. sometimes it takes weeks or months for someone to do so. but that, too, is something that they're trying to develop leads on. chris and john, back to you. >> susan, they've been asking again and again for help. these pleas coming from all the law enforcement agencies here. they keep on asking people, if you've seen anything unusual near you, around you, the last few days, please contact them immediately. susan candiotti, our thanks to you. >> you know, it's getting tricky here. because on one level you have virginia tech, columbine, oklahoma city, all in april. copycats, motivated? they don't know -- certainly not foreign terrorism. then, they start figuring out the bomb. everything shifts. why? 2010, faisal shahzad. you remember the times square bomber. he used it here. why? familiar, recognizable. allows them to trace ingredients and methods. now they're back. now they're accelerating. let's bring in tom fuentes.

a cnn analyst, he helps us all the time with this type of stuff. he's also a former assistant director with the fbi. great to have you mr. fuentes. let's bullet point this. people at home, they hear about this, oh, it seems exotic. oh, this is going to be hard. maybe it's a one-off. actually the opposite is true, right? >> good morning, chris. that's hard to tell in this case. you know you have a fairly simple explosive device, and you don't have anybody taking credit. so really, one or two people could have pulled off this entire attack, not told anybody else about it, and actually if one person did it without telling anybody else about it, using commonly available ingredients, that don't attract attention to obtain, it makes it all the more difficult, because you won't have an electronic trail of e-mails among a number of people, or phone calls or other communications. you won't have other friends or neighbors who might be knowledgeable of it. if a person plans this by themselves or very tight-knit

group pulls this off. so, it maybes the investigation extremely difficult. >> rite. absolutely. but even in that difficulty there's at least some direction. the lone wolf theory makes them understand this is less sophisticated, a different group of people could have done it. now explain to us, how does it work? what does it mean to have it in a pressure cooker? what does that do as an explosive device? >> what the pressure cooker does is that the explosive material itself, let's say it's black powder, for example, it actually doesn't explode, it burns. and it burns at such a rapid rate the burning process gives off a great deal of gas, and the air around it expands. so if you contain it, either with a pipe with caps on the end of it, or a pressure cooker, literally to maintain the pressure inside, as that expands, and this is within a nano second that this blame occurs, as that gas expands, it gets to a point where the pressure lid can't hold it, then you have the explosion.

much the same as a bullet fired out of a gun, except in the case of a bullet you have an opening at the end of the barrel, so that when that fire starts inside the bullet cartridge, it has an escape path and launches the bullet out of the barrel. so it's very similar principle in terms of the explosive black powder that was used. >> tom, these photos that we got in overnight, these brand-new photos are really an impressive detail right now. we see so much in them, including occasionally what looks like serial numbers or labels, you even see a 6-l indicating the pressure cooker was six liters. the words on the bottom of the pressure cooker. how will investigators use these details to try to track down who did this? >> well, for one thing it's going to require that the manufacturers actually track those numbers. it's one thing for them to stamp individual serial numbers in company logos on the outside of each item. it's another thing of whether

they tracked beyond manufacturing. they might use those serial numbers only for when a person purchases the item, and then registers it for warranty purposes. so it may or may not lead the investigators to be able to know exactly which retail store sold the item, and on what day, and possibly to what person. so, it may prove very valuable. we don't know at this point until we get the information from the manufacturer. >> quick final point, tom, with what they do with the circuit board there, thinking that this was detonated remotely. the obvious assumption there is that whoever did this may very well still be alive, right? not a suicide bomber, didn't go off with it? >> that's exactly. and they knew that fairly early that it was not a suicide bomber when they identified the vict s victims. what had happened earlier is they withheld the name of the young woman from china, and still are withholding it at the family's request, but that

withholding process, i had a number of inquiries, does that mean that the third person not identified is the suicide bomber and they don't want to give it up? it was merely an identification process with her family, and her country. and not wanting to release it. so they knew early and they're positive now, that they did not have a suicide bomber at the scene. that these items were left, they were intended to explode by themselves, without the person carrying them or wearing a device at the time of the explosion. >> all right, tom fuentes, thank you very much. we bring it up because there is no mystery other victim in this right now. we know who lost their lives and who did not. thank you very much for that. we'll be coming back to you, appreciate it. tom, ultimately the symbol of importance of this event is the president will be coming here. we know that president obama was briefed overnight. getting the latest information on the investigation, the details of what the fbi could tell him about the boston marathon bombings. he'll be meeting later today with other senior officials. >> our white house correspondent

brianna keilar is covering that angle for us. she joins us now from the white house. good morning, brianna. >> good morning to you, john and chris. yes, president obama was briefed overnight by his homeland security adviser, lisa monaco. she will brief him again this morning, along with attorney general holder, and fbi director robert mueller. we have learned that he's coming to boston tomorrow. he will speak during that interfaith memorial service at the cathedral of the holy cross in boston. what is, of course, going to be an emotional event, as he strikes that consoler in chief tone that we've seen him, unfortunately, do on so many occasions where we've seen tragedy. we sue a little bit of this yesterday. he was talking about people who ran the marathon, and even after finishing such a grueling race, they went on to donate blood in the wake of those bombings. we, of course, as well are looking to the president when it comes to where this investigation that is being led by the fbi is going.

and he has warned that this is something that may not be resolved quickly. >> and clearly we're at the beginning of our investigation. it will take time to follow every lead, and determine what happened. but we will find out. we will find whoever harmed our citizens, and we will bring them to justice. >> but president obama made it clear that it's, at this point, it's unknown who is responsible for this. whether it's an individual or a group. whether it's foreign or domestic. what the motive is. so you look at some of the other attacks that we've seen in the past, for instance, 9/11 or oklahoma city, where the investigation moves very quickly. there are others, as well. the atlanta bombings where it didn't. where it actually took years before there was an arrest. so there continues to be pressure to determine exactly what happened, and obviously a lot of folks wanted to resolve this but the president warning it may take time, guys. >> all right.

brianna, yes, it's clearly going to take some time. that's the message they seem to be sending to us clearly with the briefings. brianna keilar at the white house. thanks so much. we just saw a tweet from the boston police department. i just wanted to read it to you from a shift supervisor. apparently when the officers were leaving last night he told them he said when you get home tonight, hug your kids once, and then hug them again. that's an order. >> you can't just get caught up in the loss. we have to cherish what we have. it's a beautiful order, and we know the 12-hour shifts they're here doing the job every day. people are coming together. nothing says that more than what we're going to tell you right now. take a look at this. i've been going to yankee stadium my entire life. i never thought i would see a night like the one last night at the stadium. >> and i can tell you likewise, i've been a red sox fan my whole life. i've never felt a shred of fondness for the yankees until yesterday, until last night at yankee stadium this moment of silent prayer for, you know, their rivals. the city of boston, the boston

red sox, specifically for those killed and wounded. all the victims of this tragedy here. there's kevin youklis who played for the red sox for so many years. still has so many connections to this city. then after that moment of silence, they played "sweet caroline." "sweet caroline" is a signature song for fenway park. they played it in the bottom of the eighth. i can see chris getting a little squeamish when he hears it. but i have to tell you, sometimes people say, it's sports, who cares what they're doing. this means so much to bostonians. it means so much to us to know that everyone around the country is standing, you know, with the people of boston right now. to get through this together. and then you know, the man behind this song, neil diamond, of course, after he heard that this happened he tweeted last night, he said to the yankees, you scored a home run in my heart. >> obviously things transcend it like life and death. the flag was at half-mast there and everybody were brothers and sisters last night.

it's an important message, maybe the only good thing that comes out of situations like this is a reminder of how much we mean to each other. if the yankees and the red sox fans, i mean, berman doesn't even usually talk to me during this time of the year. >> won't even look at him this time of year. >> last night, a beautiful thing. and that is the latest image that we have from this. it will be continuing to come out as this story unfolds. this, of course, cnn's special continuing coverage of the boston marathon bombings. we are here live in boston. when we come back, how the deadly explosive devices were built, and will be rebuilt to try to track down a killer. >> also some live events going on around the world. funeral services for former british prime minister margaret thatcher under way live in london. you're looking at live pictures of this pageantry. ♪

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welcome back, chris cuomo, john berman here live in boston tracking the latest from the boston marathon attacks. we will be here giving you the latest in the investigation and what's going on with those who were lost and injured. but there's a lot of other developing stories, as well. let's get to christine romans, who is taking us through today's headlines in new york. >> good morning, gentlemen. happening now, funeral services for former british prime minister margaret thatcher under way in london. a live look here right now inside st. paul's cathedral. more than 2,000 mourners, including queen elizabeth ii, prime minister david cameron, they're paying their respects. baroness thatcher getting a ceremonial style funeral with full military honors. similar to those of diana, princess of wales, and the queen

mother. early tests show a letter sent to a republican senator from mississippi did contain a lethal biological agent. but more tests need to be done to confirm it was, indeed, ricin. the letter was addressed to senator roger wicker but it was intercepted before it reached his office. authorities say it had a memphis post mark but they don't know yet who sent it. wicker is now getting extra security. still ahead we'll go back to boston, just released pictures of a bomb device could help investigators determine how the marathon explosives were made, and perhaps who made them.

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welcome back to a special edition of "early start." new photos this morning, actually overnight. a first look at some images of the carnage from the boston marathon finish line. >> these photos just released. still photos in high definition captured the confusion, the terror immediately after this deadly explosion. you can see it right there. people just simply running in every direction. the streets littered with debris. littered with the wounds, and so many police, so many medical personnel trying to help. >> remember, not just photos, evidence. that's why authorities ask if you have pictures like this, please bring it in. i'm chris cuomo, john berman and i are going to be hosting "starting point" right after the break. >> we have continuing coverage of the boston bombings. we will talk to a doctor who is an orthopedic surgeon who treated some of the trauma victims. he's got an amazing story. >> a lot of news ahead. oh, hey mike. what are you up to?

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good morning, everyone. i'm chris cuomo. >> i'm john berman. we are live in boston this morning. our "starting point," chilling new pictures of the explosive devices used in the boston marathon bombings. we have learned the attacker or the attackers made one of the bombs in a